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The angles of a pentagon are in ratio 9: 10: 12: 14 : 15. What is the sum of measure of the smallest and largest angles?

The angles of a pentagon are in ratio 9: 10: 12: 14 : 15. What is the sum of measure of the smallest and largest angles? Correct Answer 216°

দেওয়া আছে, পঞ্চভূজের 5টি কোণের অনুপাত = 9 : 10:12:14:15 অনুপাত গুলোর যোগফল = 9 + 10 + 12 + 14 + 15 = 60 আবার, আমরা জানি, পঞ্চভূজের 5টি কোণের সমষ্টি = 540° .:. সবচেয়ে ছোট ও সবচেয়ে বড় কোণদ্বয়ের সমষ্টি = 9 + 1560×540° = 2460×540° = 216°

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